Your hearing is invaluable, so whether you need hearing enhancement while you hunt or hearing protection while you shoot, count on Walker's XCEL 100 Digital Active Shooting Hearing Protection Muff to give your hearing every advantage. These muffs feature 4 listening modes: Universal, Speech Clarity, Hi Frequency and Power Boost. Protect your hearing with 26 dB of noise reduction through active and dynamic sound suppression. High-gain omni-directional mics provide excellent clarity in the field or on the range. You will enjoy the comfortable ear cups and ergonomic head band design too. If the comfortable design makes you forget you're wearing them, don't worry, these muffs have an auto shut off after 2-hours 4-hours or 6-hours to save battery life. Once your hearing's gone, it's gone forever, so choose these Walker's XCEL100 Muff before you head out to the range or try to bag the big game.